A003989 - OEIS

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A003989 as a triangular array

1

1 1

1 2 1

1 1 1 1

1 2 3 2 1

1 1 1 1 1 1

1 2 1 4 1 2 1

1 1 3 1 1 3 1 1

1 2 1 2 5 2 1 2 1

1 1 1 1 1 1 1 1 1 1

1 2 3 4 1 6 1 4 3 2 1

1 1 1 1 1 1 1 1 1 1 1 1

1 2 1 2 1 2 7 2 1 2 1 2 1

1 1 3 1 5 3 1 1 3 5 1 3 1 1

1 2 1

A003989 as a square array

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

1 2 1 2 1 2 1 2 1 2 1 2 1 2

1 1 3 1 1 3 1 1 3 1 1 3 1

1 2 1 4 1 2 1 4 1 2 1

1 1 1 1 5 1 1 1 1 5

1 2 3 2 1 6 1 2 3

1 1 1 1 1 1 7 1

1 2 1 4 1 2 1

1 1 3 1 1 3

1 2 1 2 5

1 1 1 1

1 2 3

1 1

1

A003989 as an upper right triangle

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

1 2 1 2 1 2 1 2 1 2 1 2 1 2

1 1 3 1 1 3 1 1 3 1 1 3 1

1 2 1 4 1 2 1 4 1 2 1

1 1 1 1 5 1 1 1 1 5

1 2 3 2 1 6 1 2 3

1 1 1 1 1 1 7 1

1 2 1 4 1 2 1

1 1 3 1 1 3

1 2 1 2 5

1 1 1 1

1 2 3

1 1

1

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Last modified April 23 07:34 EDT 2024. Contains 371905 sequences. (Running on oeis4.)